34 Getting startedUnlockingStarter switch positions
SmartKeyStarter switch
0For removing SmartKey
The steering is locked when the
SmartKey is removed from the starter
switch.
1Power supply for some electrical
consumers, such as seat adjustment.
2Ignition (power supply for all electrical
consumers) and driving position. All
lamps (except low beam headlamp in-
dicator lamp, high beam headlamp indi-
cator lamp, and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary. If
a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to “Lamps
in instrument cluster” (
page 360).
3Starting position.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
iWhen you switch on the ignition, the
indicator and warning lamps (except
low beam headlamp indicator lamp,
high beam headlamp indicator lamp,
and turn signal indicator lamps unless
activated) in the instrument cluster
come on. The indicator and warning
lamps (except low beam headlamp
indicator lamp, high beam headlamp
indicator lamp, and turn signal indica-
tor lamps if activated) will go out when
the engine is running. This indicates
that the respective systems are
operational.iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in position P.
36 Getting startedUnlockingPosition 0
Before you press the KEYLESS-GO
start/stop button, the vehicle’s on-board
electronics have status0 (as with
SmartKey removed).
Position 1
Press the KEYLESS-GO start/stop
button once.
This supplies power for some electrical
consumers, such as seat adjustment.Ignition (or position 2)
Press the KEYLESS-GO start/stop but-
ton twice.
This supplies power for all electrical
consumers. All the lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. If a lamp in the instrument cluster
fails to come on when the ignition is
switched on, have it checked and re-
placed if necessary. If a lamp in the in-
strument cluster remains on after
starting the engine or comes on while
driving, refer to “Lamps in instrument
cluster” (
page 360).For more information, see “SmartKey with
KEYLESS-GO*” (
page 103).
For information on starting the engine
using the KEYLESS-GO start/stop button,
see “Starting with KEYLESS-GO*”
(
page 49).
iIf you now press the KEYLESS-GO
start/stop button
once again, the ignition (position2)
is switched on.
twice, the power supply is again
switched off.
iIf you now press the KEYLESS-GO
start/stop button once, the power sup-
ply is again switched off.
iWhen you switch on the ignition, the in-
dicator and warning lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless acti-
vated) in the instrument cluster come
on. The indicator and warning lamps
(except low beam headlamp indicator
lamp, high beam headlamp indicator
lamp, and turn signal indicator lamps if
activated) will go out when the engine
is running. This indicates that the re-
spective systems are operational.
38 Getting startedAdjustingSeat adjustment
The seat adjustment switches are located
on the respective door.
1Head restraint height
2Seat height
3Seat cushion tilt
4Seat fore and aft adjustment
5Backrest tilt
Switch on the ignition (
page 34).
or
Open the respective door.Seat fore and aft adjustment
Press switch forward or backward in
the direction of arrow4.
Adjust seat to a comfortable seating
position that still allows you to reach
the accelerator / brake pedal safely.
The position should be as far to the rear
as possible, consistent with ability to
properly operate controls.Seat height
Press switch up or down in the direc-
tion of arrow2.
Seat cushion tilt
Press switch up or down in the direc-
tion of arrow3 until your upper legs
are lightly supported.
Seat backrest tilt
Press switch forward or backward in
the direction of arrow5 until your
arms are slightly angled when holding
the steering wheel.
Head restraint height
Press switch up or down in the direc-
tion of arrow1.
iThe memory function (
page 128) lets
you store the settings for the seat posi-
tion together with the settings for the
steering wheel and the exterior rear
view mirrors.
!When moving the seat, make sure
there are no items in the footwell or be-
hind the seats. Otherwise you could
damage the seats.
41 Getting started
Adjusting
Steering wheel Steering wheel adjustment
The stalk for steering wheel adjustment is
located on the lower left of steering
column.
1Adjusting steering column, in or out
2Adjusting steering column, up or down
Switch on the ignition (
page 34).
or
Open the driver’s door.Adjusting steering column in or out
Move stalk forward or back in direction
of arrow 1 until a comfortable steer-
ing wheel position is reached with your
arms slightly bent at the elbow.
Adjusting steering column up or down
Move stalk up or down in direction of
arrow 2.
Make sure your legs can move freely
and all the displays (including malfunc-
tion and indicator lamps) on the
instrument cluster are clearly visible.
Warning!
G
Do not adjust the steering wheel while driv-
ing. Adjusting the steering wheel while driv-
ing could cause the driver to lose control of
the vehicle.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle.
Even with the SmartKey or SmartKey with
KEYLESS-GO* removed from the starter
switch, or the SmartKey with KEYLESS-GO*
removed from the vehicle, the steering
wheel adjustment feature can be operated
when the driver’s door is open. Therefore,
do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.
iThe memory function (
page 128) lets
you store settings for the steering
wheel together with the settings for the
exterior rear view mirrors and the seat
position.
42 Getting startedAdjustingEasy-entry/exit feature
This feature allows for easier entry into and
exit from the vehicle. When entering and
exiting the vehicle, the steering wheel is in
its uppermost position.
The easy-entry/exit feature can be
activated or deactivated in the Convenience
submenu of the control
system (
page 164).With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you:
close the driver’s door with the ignition
switched on,
or
insert the SmartKey into the starter
switch or press the KEYLESS-GO*
start/stop button (
page 35) once
with the driver’s door closed.With the easy-entry/exit feature activated,
the steering wheel tilts upwards when you:
remove the SmartKey from the starter
switch,
or
open the driver’s door with the
SmartKey in starter switch position0
or1 or the KEYLESS-GO* start/stop
button (
page 35) in position1.
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving
steering wheel when the easy-entry / exit
feature is activated.
To stop steering wheel movement, do one of
the following:
Move the steering column stalk
(page 41).
Press the memory position switch
(page 128)
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
iThe last set steering wheel position is
stored when
the ignition is switched off.
the position is stored in memory
(page 129).
44 Getting startedAdjustingThe buttons are located above the exterior
lamp switch.
1Adjustment button
2Passenger-side exterior rear view
mirror button
3Driver’s side exterior rear view mirror
button
Switch on the ignition (
page 34).
Press button3 for the driver’s side
exterior rear view mirror or button2
for the passenger-side exterior rear
view mirror.
Push adjustment button1 up, down,
left, or right, according to the desired
setting.
For more information, see “Rear view mir-
rors” (
page 180).
!If an exterior rear view mirror was
forcibly pushed forward (hit from the
rear) or forcibly pushed rearward (hit
from the front), reposition it by
applying firm pressure until it snaps
into place. The mirror housing is now
properly positioned and you can adjust
the mirror normally.
iThe memory function (
page 128) lets
you store the setting for the exterior
rear view mirrors together with the set-
tings for the steering wheel and the
driver’s seat position.
iAt low ambient temperatures, the
exterior rear view mirrors will be
heated automatically.
53 Getting started
Driving
Push combination switch in the direc-
tion of arrow1.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
Turn signals
The combination switch is located on the
left of the steering column.Combination switch1Turn signals, right
2Turn signals, left
Press combination switch in the direc-
tion of arrow1or2.
The corresponding turn signal indicator
lampLorK in the instrument
cluster flashes (
page 24).
The combination switch resets automati-
cally after major steering wheel move-
ments.
Windshield wipers
The combination switch is located on the
left of the steering column.Combination switch1Single wipe
Wiping with windshield washer fluid
2Switching on windshield wipers
Switch on the ignition (
page 34).
iTo signal minor directional changes
such as changing lanes, press combi-
nation switch only to the point of resis-
tance and release. The corresponding
turn signals will flash three times.
56 Getting startedDrivingProblems while driving
The engine runs erratically and misfires
An ignition cable may be damaged.
The engine electronics may not be op-
erating properly.
Unburned gasoline may have entered
the catalytic converter and damaged it.
Give very little gas.
Have the problem repaired by an au-
thorized Mercedes-Benz Center as
soon as possible.The coolant temperature is
above 248°F (120°C)
The coolant is too hot and is no longer
cooling the engine.
Stop the vehicle in a safe location as
soon as possible and turn off the en-
gine. Allow engine and coolant to cool.
Check the coolant level and add
coolant if necessary (
page 314).In case of accident
If the vehicle is leaking gasoline:
Do not start the engine under any cir-
cumstances.
Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:
Notify an authorized Mercedes-Benz
Center.
If no damage can be determined on the
major assemblies
fuel system
engine mount:
Start the engine in the usual manner.